Bonds
Name one type of bond
ionic or covalent
sour
Bases taste...
bitter
What numbers does the pH scale range from?
1-14
An indicator is a...
sign (explanation up to teacher)
A metal + Non metal will give you this type of bond
Ionic
The pH of acids range from...
1-6 or anything below 7.
The pH of bases range...
from 8-14, anything above 7
The only substance with a pH of 7 (neutral)...
Water (pure and distilled)
Litmus paper can tell you...
If a substance is an acid or a base
Is milk with a pH of 6.5, a strong acid or a weak acid?
weak acid
A neutral substance has a pH of...
7
What 3 colors are associated with acids? (100 pts per color)
red or pink-orange-yellow
Acids turn Phenol red, what color?
yellow
Sodium Chloride, NaCl or table salt, make the following bond...
Ionic bond
Stronger acids have more of this ion
Hydrogen ions
In the presence of a base, cabagge juice commonly turns these colors (200 pts each)
How can we increase the pH of a substance?
by adding a base
What indicator can give you how strong or weak an acid or a base is?
pH strips or universal indicator
Water (H2O) makes this type of bond
Covalent
What are the results of the following reation:
KOH + HCl
KCl + H2O
What is the name of the reaction when an acid and base combine?
neutralization reaction
What is the result of a neutralization reaction?
salt and water (H2O)
This indicator turns magenta in the presence of a base
Phenolphthalein